Blueberry Yogurt Lemon Bars

Ingredients (12)

• 0.75 cup fresh blueberries
• 1 tbsp lemon zest freshly grated
• 2 cup fat-free vanilla Greek yogurt (and no added maple syrup)
• 1 tsp maple syrup
• 3 egg whites
• 0.25 tsp fine sea salt
• 1 whole egg
• 3 lemon zest freshly grated, divided
• 3 tbsp avocado oil
• 1 Nonstick cooking spray
• 1.5 cup unsweetened graham cracker flour
• 0.25 cup lemon juice freshly squeezed